<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="keywordQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="sdts"  highlight-current-row v-loading="listLoading"
              @selection-change="selsChange" @row-dblclick=" detail = true" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" label="序号" width="60">
      </el-table-column>
      <el-table-column prop="name" label="字典名称" width="100" sortable>
      </el-table-column>
      <el-table-column prop="sn" label="字典编号" width="150" sortable>
      </el-table-column>
      <el-table-column label="操作">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条：批量删除和分页栏-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :current-page="currentPage" :page-size="pageSize" :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--添加或修改的对话框-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="100px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="字典名称" prop="name">
          <el-input v-model="saveForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="字典编号" prop="sn">
          <el-input v-model="saveForm.sn" auto-complete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
    <!--内层抽屉-->
    <el-drawer
      title="当前数据字典类型明晰"
      :visible.sync="detail"
      direction="rtl"
      size="50%">
      <el-table :data="sdds" highlight-current-row v-loading="listLoading"
                @selection-change="selsChange" style="width: 100%;">
        <el-table-column type="selection" width="55">
        </el-table-column>
        <el-table-column type="index" label="序号" width="60">
        </el-table-column>
        <el-table-column prop="name" label="字典明细名称" width="150" sortable>
        </el-table-column>
      </el-table>
    </el-drawer>

  </section>
</template>

<script>
export default {
  data() {
    return {
      //1.列表
      sdts: [],
      listLoading: false,
      //2.分页查询
      totals: 0,          //总数量 - 计算分页栏 -  请求完成之
      currentPage: 1,     //当前页 - 分页栏默认当前页显示
      pageSize: 5,        //每页显示的条数  - 计算分页栏
      //3.高级查询
      keyword: '',
      //4.批量删除
      sels: [],//列表选中列
      //5.添加或者修改
      title: '',//标题
      saveFormVisible: false,//编辑界面是否显示
      saveLoading: false,
      saveFormRules: {
        name: [
          {required: true, message: '请输入字典名称', trigger: 'blur'}
        ],
        sn: [
          {required: true, message: '请输入字典编号', trigger: 'blur'}
        ]
      },
      //编辑界面数据：建议字符串用''，id用null
      saveForm: {
        id: null,
        name: '',
        sn: '',
      },
      //默认不显示抽屉
      detail: false,
      sdds:[]
    }
  },
  methods: {
    //1.获取字典类型列表
    getSdts() {
      let para = {
        "currentPage": this.currentPage,
        "pageSize": this.pageSize,
        "keyword": this.keyword
      };
      //显示加载框/忙等框
      this.listLoading = true;
      this.$http.post("/sdt", para).then(res => {
        //关闭
        this.listLoading = false;
        //显示分页数据
        this.sdts = res.data.data;
        //计算分页栏
        this.totals = res.data.totals;
      }).catch(res => {
        this.$message.error('系统繁忙，请稍后重试!!!');
      })
    },
    //2.点击某一页触发的方法
    handleCurrentChange(val) {
      //当前页
      this.currentPage = val;
      this.getSdts();
    },
    //3.高级查询
    keywordQuery() {
      this.currentPage = 1;
      this.getSdts();
    },
    //4.删除
    handleDel: function (index, row) {
      this.$confirm('删除数据字典类型会同时删除数据字典明细，确认删除该记录吗?', '提示', { //确认框
        type: 'warning'
      }).then(() => {//点击确定的时候
        this.listLoading = true;
        this.$http.delete("/sdt/" + row.id).then(res => {
          this.listLoading = false;//关闭忙等框
          if (res.data.success) { //成功
            //对当前页的处理
            let totalPage = Math.ceil(this.totals / this.pageSize);//算出总页数
            //如果当前页是最后一页                        并且是最后一条数据             并且不是第一页
            if (this.currentPage == totalPage && (this.totals - 1) % this.pageSize == 0 && this.currentPage != 1) {
              this.currentPage = this.currentPage - 1;
            }
            this.$message.success("删除成功");
            //对当前页的处理
            this.getSdts();
          } else {
            this.$message.error("网络繁忙，请稍后重试!!!【500】")
          }
        }).catch(res => {
          this.$message.error("网络繁忙，请稍后重试!!!【400,404】")
        })
      }).catch(() => { //点击取消的时候
      });
    },
    //5.选项改变时触发
    selsChange: function (sels) {
      this.sels = sels;
    },
    //6.批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);//[1,2,3]
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        this.$http.patch("/sdt", ids).then(res => {
          //关闭忙等框
          this.listLoading = false;
          if (res.data.success) {
            //弹出成功信息
            this.$message.success("删除成功");
            this.currentPage = 1;
            //重新获取新的数据
            this.getSdts();
          } else {
            this.$message.error("网络繁忙，请稍后重试!!!【500】")
          }
        }).catch(res => {
          this.$message.error("网络繁忙，请稍后重试!!!【500】")
        })
      }).catch(() => {
      });
    },
    //7.点击添加按钮显示对话框
    handleAdd: function () {
      this.saveFormVisible = true;
      this.saveForm = {
        id: null,
        name: '',
        sn: '',
      };
      this.title = "添加";
      //显示对话框
      this.saveFormVisible = true;
    },
    //8.点击修改按钮显示对话框
    handleEdit: function (index, row) {
      //回显数据：避免以前的数据发生改变
      this.saveForm = Object.assign({}, row);
      this.title = "修改";
      //显示对话框
      this.saveFormVisible = true;
    },
    //9.提交添加或修改的数据
    saveSubmit: function () {
      //所有的对话框中 的 名称为saveForm的对话框  验证上面的表单项验证通过就返回true
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            let para = Object.assign({}, this.saveForm);
            this.$http.put("/sdt", para).then(res => {
              //关闭忙等框
              this.saveLoading = false;
              //关闭对话框
              this.saveFormVisible = false;
              if (res.data.success) {
                //弹出成功信息
                this.$message.success("操作成功");
                //重新获取新的数据
                this.getSdts();
              } else {
                this.$message.error("网络繁忙，请稍后重试!!!【500】")
              }
            }).catch(res => {
              this.$message.error("网络繁忙，请稍后重试!!!【400,404】")
            })
          });
        }
      });
    },
    //10.抽屉方法
    getSdds() {
      let para = {
        "currentPage": this.currentPage,
        "pageSize": this.pageSize,
        "keyword": this.keyword
      };
      //显示加载框/忙等框
      this.listLoading = true;
      this.$http.post("/sdd", para).then(res => {
        //关闭
        this.listLoading = false;
        //显示分页数据
        this.sdds = res.data.data;
        //计算分页栏
        this.totals = res.data.totals;
      }).catch(res => {
        this.$message.error('系统繁忙，请稍后重试!!!');
      })
    },

  },
  mounted() {
    this.getSdts();
  }
}
</script>
<style scoped>
</style>
